.main{
    margin: 10px auto;
    padding: 20px;
    background: #eee;
    width: 600px;
    zoom: 1;
}

.main table{
    background: #ccc;
    float: left;
}

.main table td{
    border: 2px outset #eee;
    font-size: 20px;
    width: 32px;
    height: 32px;
    text-align: center;
    cursor: pointer;
}

.main table td:hover{
    background-color: #aaa;
}

.main #operation{
    width: 180px;
    float: right;
    text-align: center;
}

.landMine{
    background-image: url(mine.png);
    background-position: center;
    background-repeat: no-repeat;
}

.main table td.normal{
    border: 2px solid #eee;
    background-color: #aaa;
}

.main table td.normal:hover{
    background-color: #aaa;
}

.flag{
    background-image: url(flag.png);
    background-position: center;
    background-repeat: no-repeat;
}

.main:after{
    clear: both;
    display: block;
    content: "";
    line-height: 0;
    height: 0;
    visibility: hidden;
}

.main.tip{
    font-size: 14px;
    margin: 5px;
}


.main .tip ol li{
    margin: 5px 0;
    line-height: 20px;
}

.main .light{
    font-size: 30px;
}

.main .red{
    color: red;
}

.main .f60{
    color: #f60;
}

.main input[type=button]{
    padding: 2px 10px;
    margin: 5px;
    font-size: 20px;
    cursor: pointer;
}

.main .txtleft{
    text-align: left;
}

.main input[type='radio'],
.main fieldset label{
    cursor: pointer;
}

.main fieldset{
    margin: 10px 0;
    line-height: 25px;
}
